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CVE-2025-11676— UPnP DOS in TL-WR940N V6

Quick assessment

Affected
TP-Link System Inc. TL-WR940N V6
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-Link TL-WR940N V6是中国普联（TP-Link）公司的一款无线路由器。 TP-Link TL-WR940N V6存在安全漏洞，该漏洞源于输入验证不当，可能导致拒绝服务攻击。

AI Predicted 6.5 Difficulty: Easy EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-11676

Vulnerability Information
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Vulnerability Title
UPnP DOS in TL-WR940N V6
Source: CVE Program / CVE List V5
Vulnerability Description
Improper input validation vulnerability in TP-Link System Inc. TL-WR940N V6 (UPnP modules), which allows unauthenticated adjacent attackers to perform DoS attack. This issue affects TL-WR940N V6 <= Build 220801.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link TL-WR940N V6 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link TL-WR940N V6是中国普联（TP-Link）公司的一款无线路由器。 TP-Link TL-WR940N V6存在安全漏洞，该漏洞源于输入验证不当，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TP-Link System Inc. TL-WR940N V6 0 ~ Build 220801 -

II. Public POCs for CVE-2025-11676

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III. Intelligence Information for CVE-2025-11676

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Vendor Pages for CVE-2025-11676 (1)

Other References for CVE-2025-11676 (1)

IV. Related Vulnerabilities

Same product: TL-WR940N V6
Same vendor: TP-Link System Inc.
Same weakness: CWE-20

V. Comments for CVE-2025-11676

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